/* Header used to override things detected by the mk-kinds-h.sh script. Copyright (C) 2010 Free Software Foundation, Inc. This file is part of the GNU Fortran runtime library (libgfortran). Libgfortran is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3, or (at your option) any later version. Libgfortran is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. Under Section 7 of GPL version 3, you are granted additional permissions described in the GCC Runtime Library Exception, version 3.1, as published by the Free Software Foundation. You should have received a copy of the GNU General Public License and a copy of the GCC Runtime Library Exception along with this program; see the files COPYING3 and COPYING.RUNTIME respectively. If not, see . */ /* What are the C types corresponding to the real(kind=10) and real(kind=16) types? We currently rely on the following assumptions: -- if real(kind=10) exists, i.e. if HAVE_GFC_REAL_10 is defined, then it is necessarily the "long double" type -- if real(kind=16) exists, then: * if HAVE_GFC_REAL_10, real(kind=16) is "__float128" * otherwise, real(kind=16) is "long double" To allow to change this in the future, we create the GFC_REAL_16_IS_FLOAT128 macro that is used throughout libgfortran. */ #if defined(HAVE_GFC_REAL_16) # if defined(HAVE_GFC_REAL_10) # define GFC_REAL_16_IS_FLOAT128 # if !defined(HAVE_FLOAT128) # error "Where has __float128 gone?" # endif # else # define GFC_REAL_16_IS_LONG_DOUBLE # endif #endif